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    Class ARReferencePointManager

    Manages reference points.

    Inheritance
    object
    Object
    Component
    Behaviour
    MonoBehaviour
    SubsystemLifecycleManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider>
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>
    ARReferencePointManager
    Inherited Members
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>.trackables
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>.SetTrackablesActive(bool)
    SubsystemLifecycleManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider>.subsystem
    SubsystemLifecycleManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider>.descriptor
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    Namespace: UnityEngine.XR.ARFoundation
    Assembly: Unity.XR.ARFoundation.dll
    Syntax
    [DisallowMultipleComponent]
    [RequireComponent(typeof(ARSessionOrigin))]
    [HelpURL("https://docs.unity3d.com/Packages/com.unity.xr.arfoundation@4.2/api/UnityEngine.XR.ARFoundation.ARReferencePointManager.html")]
    [Obsolete("ARReferencePointManager has been deprecated. Use ARAnchorManager instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager", true)]
    public sealed class ARReferencePointManager : ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>
    Remarks

    Use this component to programmatically add, remove, or query for reference points. Reference points are `Pose`s in the world which will be periodically updated by an AR device as its understanding of the world changes.

    Subscribe to changes (added, updated, and removed) via the referencePointsChanged event.

    Properties

    gameObjectName

    The name given to each GameObject associated with each ARReferencePoint.

    Declaration
    protected override string gameObjectName { get; }
    Property Value
    Type Description
    string
    Overrides
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>.gameObjectName
    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    referencePointPrefab

    This Prefab will be instantiated for each ARReferencePoint. Can be null.

    Declaration
    [Obsolete("ARReferencePointManger.referencePointPrefab has been renamed. Use ARAnchorManager.anchorPrefab instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.anchorPrefab", true)]
    public GameObject referencePointPrefab { get; set; }
    Property Value
    Type Description
    GameObject
    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    Methods

    AddReferencePoint(Pose)

    Attempts to add an ARReferencePoint with the given Pose.

    Declaration
    [Obsolete("ARReferencePointManger.AddReferencePoint() has been deprecated. Use ARAnchorManager.AddAnchor() instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.AddAnchor(*)", true)]
    public ARReferencePoint AddReferencePoint(Pose pose)
    Parameters
    Type Name Description
    Pose pose

    The pose, in Unity world space, of the ARReferencePoint.

    Returns
    Type Description
    ARReferencePoint

    A new ARReferencePoint if successful, otherwise null.

    Remarks

    If GetPrefab() is not null, a new instance of that Prefab will be instantiated. Otherwise, a new GameObject will be created. In either case, the resulting GameObject will have an ARReferencePoint component on it.

    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    AttachReferencePoint(ARPlane, Pose)

    Attempts to create a new reference point that is attached to an existing ARPlane.

    Declaration
    [Obsolete("ARReferencePointManger.AttachReferencePoint() has been deprecated. Use ARAnchorManager.AttachAnchor() instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.AttachAnchor(*)", true)]
    public ARReferencePoint AttachReferencePoint(ARPlane plane, Pose pose)
    Parameters
    Type Name Description
    ARPlane plane

    The ARPlane to attach to.

    Pose pose

    The initial Pose, in Unity world space, of the reference point.

    Returns
    Type Description
    ARReferencePoint

    A new ARReferencePoint if successful, otherwise null.

    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    GetPrefab()

    Gets the Prefab that will be instantiated for each ARReferencePoint.

    Declaration
    protected override GameObject GetPrefab()
    Returns
    Type Description
    GameObject

    The Prefab that will be instantiated for each ARReferencePoint.

    Overrides
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>.GetPrefab()
    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    GetReferencePoint(TrackableId)

    Gets the ARReferencePoint with given trackableId, or null if it does not exist.

    Declaration
    [Obsolete("ARReferencePointManger.GetReferencePoint() has been deprecated. Use ARAnchorManager.GetAnchor() instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.GetAnchor(*)", true)]
    public ARReferencePoint GetReferencePoint(TrackableId trackableId)
    Parameters
    Type Name Description
    TrackableId trackableId

    The TrackableId of the ARReferencePoint to retrieve.

    Returns
    Type Description
    ARReferencePoint

    The ARReferencePoint with trackableId or null if it does not exist.

    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    OnTrackablesChanged(List<ARReferencePoint>, List<ARReferencePoint>, List<ARReferencePoint>)

    Invoked when the base class detects trackable changes.

    Declaration
    protected override void OnTrackablesChanged(List<ARReferencePoint> added, List<ARReferencePoint> updated, List<ARReferencePoint> removed)
    Parameters
    Type Name Description
    List<ARReferencePoint> added

    The list of added ARReferencePoints.

    List<ARReferencePoint> updated

    The list of updated ARReferencePoints.

    List<ARReferencePoint> removed

    The list of removed ARReferencePoints.

    Overrides
    ARTrackableManager<XRReferencePointSubsystem, XRReferencePointSubsystemDescriptor, XRReferencePointSubsystem.Provider, XRReferencePoint, ARReferencePoint>.OnTrackablesChanged(List<ARReferencePoint>, List<ARReferencePoint>, List<ARReferencePoint>)
    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    RemoveReferencePoint(ARReferencePoint)

    Attempts to remove an ARReferencePoint.

    Declaration
    [Obsolete("ARReferencePointManger.RemoveReferencePoint() has been deprecated. Use ARAnchorManager.RemoveAnchor() instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.RemoveAnchor(*)", true)]
    public bool RemoveReferencePoint(ARReferencePoint referencePoint)
    Parameters
    Type Name Description
    ARReferencePoint referencePoint

    The reference point you wish to remove.

    Returns
    Type Description
    bool

    True if the reference point was successfully removed. False usually means the reference point is not longer tracked by the system.

    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    Events

    referencePointsChanged

    Invoked once per frame to communicate changes to reference points, including new reference points, the update of existing reference points, and the removal of previously existing reference points.

    Declaration
    [Obsolete("ARReferencePointManger.referencePointsChanged has been renamed. Use ARAnchorManager.anchorsChanged instead (UnityUpgradable) -> UnityEngine.XR.ARFoundation.ARAnchorManager.anchorsChanged", true)]
    public event Action<ARReferencePointsChangedEventArgs> referencePointsChanged
    Event Type
    Type Description
    Action<ARReferencePointsChangedEventArgs>
    See Also
    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>

    See Also

    ARTrackableManager<TSubsystem, TSubsystemDescriptor, TProvider, TSessionRelativeData, TTrackable>
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